Chen, Jacob
Current rating: 1669
Record: 21-15 (GP) / 3-4 (professional)
| 2020 Mythic Invitational (MTGA historic) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 1historic | 73 | da Cruz Simoes, Miguel (1656) | Lost 0-2 | -181647 |
| 2historic | 65 | Fonseca, Tiago (1765) | Lost 1-2 | -161631 |
| 3historic | 72 | Inglis, David [USA] (1620) | Won 2-1 | +181649 |
| 4historic | 59 | Yukuhiro, Ken (2012) | Lost 1-2 | -121637 |
| 5historic | 73 | Joachim, David (1929) | Lost 0-2 | -131624 |
| 6historic | 69 | Yuen, Steven (1637) | Won 2-1 | +191643 |
| 7historic | 59 | Glogowski, Piotr (2158) | Won 2-0 | +261669 |
| top | average opponent: 1825record: 3-4 | new rating: 1669 | ||
| Grand Prix Reno 2020 (THB limited) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 60 | Buddensiek, Peter (1600) | Lost 0-2 | -201665 |
| top | record: 0-1 | new rating: 1665 | ||
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Fallis, Ryan (1446) | Lost 0-2 | -191511 |
| 2standard | 141 | Palmer, Josh (1499) | Won 2-0 | +181529 |
| 3standard | 157 | Koplin, Alex (1499) | Won 0-0 | +171546 |
| 4standard | 107 | Sonderland, Drew (1740) | Won 2-1 | +221568 |
| 5standard | 63 | Stinson, Steven (1523) | Won 2-0 | +171585 |
| 6standard | 45 | Engbrecht, Ryan (1838) | Won 2-1 | +221607 |
| 7standard | 26 | Kirshon, Daniel (1796) | Won 2-1 | +221629 |
| 8standard | 17 | Weller-Gordon, Brian (1858) | Lost 0-2 | -141615 |
| 9standard | 44 | Moreno, Nicholas (1666) | Won 2-0 | +191634 |
| 10standard | 10 | Hadley, Miquez (1860) | Won 2-0 | +221656 |
| 11standard | 8 | Kamsha, Yuriy (1685) | Won 2-0 | +181674 |
| 12standard | 6 | Tan, Richard (1935) | Won 2-1 | +231697 |
| 13standard | 2 | Sloo, Felix (1811) | Lost 1-2 | -161681 |
| 14standard | 6 | Breyne, Marcus (1741) | Lost 1-2 | -171664 |
| 15standard | 19 | Glass, Campbell (1808) | Won 2-1 | +211685 |
| top | average opponent: 1714record: 11-4 | new rating: 1685 | ||
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 347 | Canales, Mark (1641) | Won 2-0 | +211514 |
| 2sealed | 295 | Boonjue, Tex (1484) | Won 2-1 | +171531 |
| 3sealed | 103 | He, Jennifer (1547) | Lost 1-2 | -181513 |
| 4sealed | 170 | Sansam, Scott (1639) | Won 2-0 | +211534 |
| 5sealed | 93 | Heaney, Clark (1537) | Lost 0-2 | -181516 |
| 6sealed | 260 | Tan, Frederick (1479) | Won 2-0 | +171533 |
| 7sealed | 152 | Silver, Alexander (1552) | Won 2-1 | +181551 |
| 8sealed | 165 | Simon, Michael (1530) | Won 2-1 | +181569 |
| 9sealed | 66 | Cammilluzzi, Marco (1841) | Lost 0-2 | -131556 |
| 10draft | 2101 | Mulloy, Josh (1911) | Lost 0-2 | -121544 |
| 11draft | 2097 | Starr, Tyler (1565) | Won 2-0 | +181562 |
| 12draft | 2031 | Dominguez Roldan, Fernando De Jesus (1755) | Lost 1-2 | -141548 |
| 13draft | 2053 | Hatch, Alex (1569) | Lost 1-2 | -181530 |
| top | average opponent: 1619record: 7-6 | new rating: 1530 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 262 | Smith, Zachary (1508) | Lost 0-2 | -181493 |
| top | record: 0-1 | new rating: 1493 | ||
| Grand Prix Calgary 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 42 | Huska, Andrew (1884) | Lost 0-2 | -111489 |
| 2modern | 389 | Feliciano, Marc Rainier (1518) | Lost 1-2 | -181471 |
| 3modern | 448 | Do'Urden, Chandra (1464) | Won 2-0 | +181489 |
| 4modern | 385 | Stott, Neil (1557) | Won 2-1 | +191508 |
| 5modern | 288 | Last, Ryan (1541) | Won 2-1 | +191527 |
| 6modern | 192 | Thomason, Matthew (1643) | Lost 0-2 | -161511 |
| top | average opponent: 1601record: 3-3 | new rating: 1511 | ||